Wrench tooth design, protecting threads, suitable for various screws and, a clamping nut of different sizes and shapes, suitable for various work scenarios chromium steel, with high hardness and rust resistance.Surface-matte-treatment, anti slip, high-torque Double headed tightening wrench, used for dismantling screws of various specifications Mechanical design, time-saving and labor-saving, comfortable grip, for efficient Wide application range: widely used in the automotive repair industry, mechanical disassembly, daily maintenance and other application fields, Manufacturer: MINGLEA